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      Perception of Risk of Vertically Acquired HIV Infection and Acceptability of Provider-Initiated Testing and Counseling Among Adolescents in Zimbabwe

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          Abstract

          Objectives. We investigated attitudes toward provider-initiated HIV testing and counseling (PITC) in the suburbs of Harare, Zimbabwe, where late presentation after mother-to-child HIV transmission (MTCT) is a major cause of adolescent mortality.

          Methods. Adolescents (10–18 years) attending 2 primary clinics were offered PITC. Participants completed a questionnaire investigating acceptability of PITC, and in-depth interviews with 41 adolescents and 30 guardians explored understanding of long-term survival after MTCT.

          Results. Of 506 participants, 16 were known to be HIV-positive; of the remaining 490, only 5 (1%) declined HIV testing. Infected adolescents and their guardians often anticipated a positive result and reported being advised by relatives (but not health workers) to be tested because of chronic illness, especially if parents or siblings had died or were HIV-infected. However, HIV-negative participants were not aware that long-term survival following MTCT could occur. All adolescents felt that HIV diagnosed at their age would be assumed to have been sexually acquired regardless of the true mode of transmission.

          Conclusions. Including late diagnosis of MTCT in pretest counseling and health educational messages may facilitate PITC for older children and adolescents, especially for those who have not had their sexual debut.

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          Most cited references40

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          Revised recommendations for HIV testing of adults, adolescents, and pregnant women in health-care settings.

          These recommendations for human immunodeficiency virus (HIV) testing are intended for all health-care providers in the public and private sectors, including those working in hospital emergency departments, urgent care clinics, inpatient services, substance abuse treatment clinics, public health clinics, community clinics, correctional health-care facilities, and primary care settings. The recommendations address HIV testing in health-care settings only. They do not modify existing guidelines concerning HIV counseling, testing, and referral for persons at high risk for HIV who seek or receive HIV testing in nonclinical settings (e.g., community-based organizations, outreach settings, or mobile vans). The objectives of these recommendations are to increase HIV screening of patients, including pregnant women, in health-care settings; foster earlier detection of HIV infection; identify and counsel persons with unrecognized HIV infection and link them to clinical and prevention services; and further reduce perinatal transmission of HIV in the United States. These revised recommendations update previous recommendations for HIV testing in health-care settings and for screening of pregnant women (CDC. Recommendations for HIV testing services for inpatients and outpatients in acute-care hospital settings. MMWR 1993;42[No. RR-2]:1-10; CDC. Revised guidelines for HIV counseling, testing, and referral. MMWR 2001;50[No. RR-19]:1-62; and CDC. Revised recommendations for HIV screening of pregnant women. MMWR 2001;50[No. RR-19]:63-85). Major revisions from previously published guidelines are as follows: For patients in all health-care settings HIV screening is recommended for patients in all health-care settings after the patient is notified that testing will be performed unless the patient declines (opt-out screening). Persons at high risk for HIV infection should be screened for HIV at least annually. Separate written consent for HIV testing should not be required; general consent for medical care should be considered sufficient to encompass consent for HIV testing. Prevention counseling should not be required with HIV diagnostic testing or as part of HIV screening programs in health-care settings. For pregnant women HIV screening should be included in the routine panel of prenatal screening tests for all pregnant women. HIV screening is recommended after the patient is notified that testing will be performed unless the patient declines (opt-out screening). Separate written consent for HIV testing should not be required; general consent for medical care should be considered sufficient to encompass consent for HIV testing. Repeat screening in the third trimester is recommended in certain jurisdictions with elevated rates of HIV infection among pregnant women.
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            Prevention of mother-to-child HIV transmission in resource-poor countries: translating research into policy and practice.

            Each year, an estimated 590,000 infants acquire human immunodeficiency virus type 1 (HIV) infection from their mothers, mostly in developing countries that are unable to implement interventions now standard in the industrialized world. In resource-poor settings, the HIV pandemic has eroded hard-won gains in infant and child survival. Recent clinical trial results from international settings suggest that short-course antiretroviral regimens could significantly reduce perinatal HIV transmission worldwide if research findings could be translated into practice. This article reviews current knowledge of mother-to-child HIV transmission in developing countries, summarizes key findings from the trials, outlines future research requirements, and describes public health challenges of implementing perinatal HIV prevention interventions in resource-poor settings. Public health efforts must also emphasize primary prevention strategies to reduce incident HIV infections among adolescents and women of childbearing age. Successful implementation of available perinatal HIV interventions could substantially improve global child survival.
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              Mortality of infected and uninfected infants born to HIV-infected mothers in Africa: a pooled analysis.

              HIV contributes substantially to child mortality, but factors underlying these deaths are inadequately described. With individual data from seven randomised mother-to-child transmission (MTCT) intervention trials, we estimate mortality in African children born to HIV-infected mothers and analyse selected risk factors. Early HIV infection was defined as a positive HIV-PCR test before 4 weeks of age; and late infection by a negative PCR test at or after 4 weeks of age, followed by a positive test. Mortality rate was expressed per 1000 child-years. We investigated the effect of maternal health, infant HIV infection, feeding practices, and age at acquisition of infection on mortality assessed with Cox proportional hazards models, and allowed for random effects for trials grouped geographically. 378 (11%) of 3468 children died. By age 1 year, an estimated 35.2% infected and 4.9% uninfected children will have died; by 2 years of age, 52.5% and 7.6% will have died, respectively. Mortality varied by geographical region, and was associated with maternal death (adjusted odds ratio 2.27, 95% CI 1.62-3.19), CD4+ cell counts <200 per microL (1.91, 1.39-2.62), and infant HIV infection (8.16, 6.43-10.33). Mortality was not associated with either ever breastfeeding and never breastfeeding in either infected or uninfected children. In infected children, mortality was significantly lower for those with late infection than those with early infection (0.52, 0.39-0.70). This effect was also seen in analyses of survival from the age at infection (0.74, 0.55-0.99). These findings highlight the necessity for timely antiretroviral care, for support for HIV-infected women and children in developing countries, and for assessment of prophylactic programmes to prevent MTCT, including child mortality and infection averted.
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                Author and article information

                Journal
                Am J Public Health
                Am J Public Health
                ajph
                American Journal of Public Health
                American Public Health Association
                0090-0036
                1541-0048
                December 2011
                December 2011
                December 2011
                : 101
                : 12
                : 2325-2332
                Affiliations
                Rashida A. Ferrand and Elizabeth L. Corbett are with the London School of Hygiene and Tropical Medicine, London, England. Caroline Trigg is with the Target Research Zimbabwe, Harare, Zimbabwe. Tsitsi Bandason is with the Biomedical Research and Training Institute, Harare. Chiratidzo E. Ndhlovu and Kusum Nathoo are with the University of Zimbabwe, Harare. Stanley Mungofa is with Harare City Health, Harare. Diana M. Gibb is with the Medical Research Council Clinical Trials Unit, London. Frances M. Cowan is with University College London.
                Author notes
                Correspondence should be sent to Rashida A. Ferrand, Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK (e-mail: rabferr@ 123456gmail.com ). Reprints can be ordered at http://www.ajph.org by clicking the “Reprints/Eprints” link.

                Peer Reviewed

                Contributors

                R. A. Ferrand and E. L. Corbett conceptualized and designed the study. R. A. Ferrand and C. Trigg drafted the interview guides, and C. Trigg supervised the semistructured interviews. R. A. Ferrand, C. Trigg, and T. Bandason conducted data analyses. R. A. Ferrand wrote the first draft, and all authors commented on drafts. All authors contributed to study design and interpretation of data.

                Article
                300250
                10.2105/AJPH.2011.300250
                3222430
                22021300
                a0ac7737-6d52-46b5-87a9-9f755a041de3
                © American Public Health Association 2011
                History
                : 8 April 2011
                Page count
                Pages: 8
                Categories
                6
                12
                20
                28
                39
                64
                Research and Practice

                Public health
                Public health

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